18372640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 52083864

約数和(自身を除く): 33711224

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 73, 80, 88, 104, 110, 121, 130, 143, 146, 160, 176, 208, 220, 242, 260, 286, 292, 352, 365, 416, 440, 484, 520, 572, 584, 605, 715, 730, 803, 880, 949, 968, 1040, 1144, 1168, 1210, 1430, 1460, 1573, 1606, 1760, 1898, 1936, 2080, 2288, 2336, 2420, 2860, 2920, 3146, 3212, 3796, 3872, 4015, 4576, 4745, 4840, 5720, 5840, 6292, 6424, 7592, 7865, 8030, 8833, 9490, 9680, 10439, 11440, 11680, 12584, 12848, 15184, 15730, 16060, 17666, 18980, 19360, 20878, 22880, 25168, 25696, 30368, 31460, 32120, 35332, 37960, 41756, 44165, 50336, 52195, 62920, 64240, 70664, 75920, 83512, 88330, 104390, 114829, 125840, 128480, 141328, 151840, 167024, 176660, 208780, 229658, 251680, 282656, 334048, 353320, 417560, 459316, 574145, 706640, 835120, 918632, 1148290, 1413280, 1670240, 1837264, 2296580, 3674528, 4593160, 9186320, 18372640]

約数ペア:

[(1, 18372640), (2, 9186320), (4, 4593160), (5, 3674528), (8, 2296580), (10, 1837264), (11, 1670240), (13, 1413280), (16, 1148290), (20, 918632), (22, 835120), (26, 706640), (32, 574145), (40, 459316), (44, 417560), (52, 353320), (55, 334048), (65, 282656), (73, 251680), (80, 229658), (88, 208780), (104, 176660), (110, 167024), (121, 151840), (130, 141328), (143, 128480), (146, 125840), (160, 114829), (176, 104390), (208, 88330), (220, 83512), (242, 75920), (260, 70664), (286, 64240), (292, 62920), (352, 52195), (365, 50336), (416, 44165), (440, 41756), (484, 37960), (520, 35332), (572, 32120), (584, 31460), (605, 30368), (715, 25696), (730, 25168), (803, 22880), (880, 20878), (949, 19360), (968, 18980), (1040, 17666), (1144, 16060), (1168, 15730), (1210, 15184), (1430, 12848), (1460, 12584), (1573, 11680), (1606, 11440), (1760, 10439), (1898, 9680), (1936, 9490), (2080, 8833), (2288, 8030), (2336, 7865), (2420, 7592), (2860, 6424), (2920, 6292), (3146, 5840), (3212, 5720), (3796, 4840), (3872, 4745), (4015, 4576)]